Actually out of all oil out there I'd prefer canola the most (outside of flax, of course), because it has the biggest (or at least one of the biggest) omega 3 to omega 6 ratio. I personally gave about a small cup/day in Summer and twice/day in Winter (I switched to flax meal since that).
"Life isn't about waiting for the storm to pass: it's about learning to dance in the rain..."
"When we are no longer able to change a situation - we are challenged to change ourselves."
"How people treat you is their karma; how you react is yours."